X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;ds=sidebyside;f=CarFire%2FCarFire%2FCarFire%2FMap.cs;h=504a68ce7f9dca706131c80835b2c67c3b1fcce1;hb=122c062297acac44673e947b666c1d72cd23fb1b;hp=ed8c39fd1957986f0014a404d44c702ed982bfe3;hpb=c5daf1d9adca0c3a826dfa2ac7b6d4f8a64c84a3;p=chaz%2Fcarfire
diff --git a/CarFire/CarFire/CarFire/Map.cs b/CarFire/CarFire/CarFire/Map.cs
index ed8c39f..504a68c 100644
--- a/CarFire/CarFire/CarFire/Map.cs
+++ b/CarFire/CarFire/CarFire/Map.cs
@@ -2,11 +2,12 @@
using System.Collections.Generic;
using System.Linq;
using System.Text;
-using Microsoft.Xna.Framework;
using System.IO;
-using System.Text.RegularExpressions;
using System.Runtime.Serialization;
using System.Diagnostics;
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
+using System.Reflection;
namespace CarFire
{
@@ -18,33 +19,601 @@ namespace CarFire
///
public class Map
{
- #region Types
+ #region Public Constants
- public class Data
- {
- public string Author;
- public string Name;
- public int MinNumPlayers;
- public int MaxNumPlayers;
- public Point Dimensions;
- public string Tileset; // TODO: this should be a tilemap object
- public Type Type;
- public char[,] Grid;
- }
-
- public enum Type
+ public const float PixelsToUnitSquares = 64.0f;
+
+ #endregion
+
+
+ #region Public Types
+
+ ///
+ /// The type of a map helps determine how the map is intended to be used.
+ ///
+ public enum Mode
{
None,
Campaign,
Battle
}
+ ///
+ /// The container class for map metadata.
+ ///
+ public class Metadata
+ {
+ public string Name;
+ public Mode Type;
+ public string Author;
+ public string Next;
+ public HashSet NumPlayers = new HashSet();
+ public string Tileset;
+ public int GridWidth;
+ public int GridHeight;
+ }
+
+ ///
+ /// The container class for information about an entity defined in the map.
+ ///
+ public class RawEntity
+ {
+ public char Id;
+ public Point Position;
+ public Dictionary Attributes = new Dictionary();
+ }
+
+ #endregion
+
+
+ #region Public Properties
+
+ ///
+ /// Get the name of the map.
+ ///
+ public string Name { get { return mData.Metadata.Name; } }
+
+ ///
+ /// Get the type of the map.
+ ///
+ public Mode Type { get { return mData.Metadata.Type; } }
+
+ ///
+ /// Get the author of the map.
+ ///
+ public string Author { get { return mData.Metadata.Author; } }
+
+ ///
+ /// Get the name of the next map to load after this one.
+ ///
+ public string Next { get { return mData.Metadata.Next; } }
+
+ ///
+ /// Get a set of integers containing each allowable number of players.
+ ///
+ public HashSet NumPlayers { get { return mData.Metadata.NumPlayers; } }
+
+ ///
+ /// Get the width of the map, in grid units.
+ ///
+ public int Width { get { return mData.Metadata.GridWidth; } }
+
+ ///
+ /// Get the height of the map, in grid units.
+ ///
+ public int Height { get { return mData.Metadata.GridHeight; } }
+
+ ///
+ /// Get the name of the tileset.
+ ///
+ public string Tileset { get { return mData.Metadata.Tileset; } }
+
+ ///
+ /// Get the current grid of open cells. On the grid, true means
+ /// the cell is open (i.e. an entity can occupy that cell), and false
+ /// means the cell is closed. Note that, just like Map.IsCellOpen,
+ /// only static scenery is considered; the grid cannot tell you
+ /// whether or not an entity is already occupying the cell.
+ ///
+ public bool[,] Grid { get { return mData.Grid; } }
+
+ ///
+ /// Get a list of the raw entity containers loaded with the map. If you
+ /// want to get the actual entity objects, use Map.GetEntities and
+ /// Map.GetAllEntities instead.
+ ///
+ public List RawEntities { get { return mData.Entities; } }
+
+
+ ///
+ /// Get and set the coordinate of the grid cell that should be in
+ /// the center of the screen when the map is drawn. Setting this
+ /// will change the viewport of the map and will effect the return
+ /// values of Map.GetPointFromCoordinates and Map.GetRectangleFromCoordinates.
+ ///
+ public Vector2 CenterCell
+ {
+ get { return mView.CenterCell; }
+ set { mView.CenterCell = value; }
+ }
+
+ ///
+ /// Get and set the tilemap with its associated texture and tile
+ /// character to coordinate mappings. This effects what the map looks
+ /// like when it is drawn. You will need to reset any map instances
+ /// after setting a new tilemap. You should also set a tilemap before
+ /// instantiating any maps.
+ ///
+ public static Tilemap Tilemap;
+
+ ///
+ /// Get and set the zoom of the map view. The default zoom is
+ /// Map.PixelsToUnitSquares.
+ ///
+ public float Zoom
+ {
+ get { return mView.Zoom; }
+ set { mView.Zoom = value; }
+ }
+
+ #endregion
+
+
+ #region Public Methods
+
+ ///
+ /// Construct a map with the provided map data.
+ ///
+ /// The metadata.
+ /// The grid.
+ /// The entities.
+ public Map(Metadata metadata, char[,] grid, char defaultTile,
+ List entities, Point[] playerPositions)
+ {
+ mData = new Model(metadata, grid, defaultTile, entities, playerPositions);
+ mView = new View(mData);
+ }
+
+
+ ///
+ /// Draw a representation of the map to the screen.
+ ///
+ /// The jeewiz.
+ public void Draw(SpriteBatch spriteBatch)
+ {
+ mView.Draw(spriteBatch);
+ }
+
+
+ ///
+ /// Get a point in screen-space from a coordinate in gridspace.
+ ///
+ /// X-coordinate.
+ /// Y-coordinate.
+ /// Transformed point.
+ public Point GetPointFromCoordinates(float x, float y)
+ {
+ return mView.GetPointFromCoordinates(x, y);
+ }
+
+ ///
+ /// Get a point in screen-space from a coordinate in gridspace.
+ ///
+ /// X,Y-coordinates.
+ /// Transformed point.
+ public Point GetPointFromCoordinates(Vector2 point)
+ {
+ return mView.GetPointFromCoordinates(point.X, point.Y);
+ }
+
+ ///
+ /// Get a rectangle in screen-space centered around a coordinate in gridspace.
+ ///
+ /// X-coordinate.
+ /// Y-coordinate.
+ /// Transformed rectangle.
+ public Rectangle GetRectangleFromCoordinates(float x, float y)
+ {
+ return mView.GetRectangleFromCoordinates(x, y);
+ }
+
+ ///
+ /// Get a rectangle in screen-space centered around a coordinate in gridspace.
+ ///
+ /// X,Y-coordinates.
+ /// Transformed rectangle.
+ public Rectangle GetRectangleFromCoordinates(Vector2 point)
+ {
+ return mView.GetRectangleFromCoordinates(point.X, point.Y);
+ }
+
+
+ ///
+ /// Determine whether or not a cell can be occupied by a game entity.
+ ///
+ /// X-coordinate.
+ /// Y-coordinate.
+ /// True if cell can be occupied, false otherwise.
+ public bool IsCellOpen(int x, int y)
+ {
+ return mData.IsCellOpen(x, y);
+ }
+
+ ///
+ /// created by Brady for AI precalculations
+ ///
+ /// X-coordinate.
+ /// Y-coordinate.
+ public bool IsWall(int x, int y)
+ {
+ return mData.IsWall(x, y);
+ }
+
+ ///
+ /// Determine whether or not a cell can be occupied by a game entity.
+ ///
+ /// X,Y-coordinates.
+ /// True if cell can be occupied, false otherwise.
+ public bool IsCellOpen(Point point)
+ {
+ return mData.IsCellOpen(point.X, point.Y);
+ }
+
+
+ ///
+ /// Get the starting position of a player.
+ ///
+ /// The number of the player (i.e. 1-4).
+ /// This number must be a valid player number.
+ /// The starting position of the player.
+ public Point GetStartingPositionForPlayer(int playerNumber)
+ {
+ Debug.Assert(1 <= playerNumber && playerNumber <= NumPlayers.Max());
+ return mData.PlayerPositions[playerNumber];
+ }
+
+
+ ///
+ /// Get all the entities loaded from the map file. Exceptions could be
+ /// thrown if there are entities without associated classes.
+ ///
+ /// The game reference to be passed to entities.
+ /// List of entity objects loaded.
+ public List GetAllEntities(Game game)
+ {
+ return mData.GetAllEntities(game);
+ }
+
+ ///
+ /// Get the entities of a certain type loaded from the map file. Exceptions
+ /// could be thrown if there are entities without associated classes.
+ ///
+ /// The game reference to be passed to entities.
+ /// Type of the entity you want a list of.
+ /// List of entity objects loaded.
+ public List GetEntities(Game game)
+ {
+ return mData.GetEntities(game);
+ }
+
+
+ ///
+ /// Set the tile of a cell.
+ ///
+ /// X-coordinate.
+ /// Y-coordinate.
+ /// The character representing the tile.
+ public void SetCell(int x, int y, char tile)
+ {
+ mData.SetCell(x, y, tile);
+ }
+
+ ///
+ /// Set the tile of a cell.
+ ///
+ /// X,Y-coordinates.
+ /// The character representing the tile.
+ public void SetCell(Point point, char tile)
+ {
+ mData.SetCell(point.X, point.Y, tile);
+ }
+
+
+ ///
+ /// Clear a cell to the default tile.
+ ///
+ /// X-coordinate.
+ /// Y-coordinate.
+ public void ClearCell(int x, int y)
+ {
+ mData.ClearCell(x, y);
+ }
+
+ ///
+ /// Clear a cell to the default tile.
+ ///
+ /// X,Y-coordinates.
+ public void ClearCell(Point point)
+ {
+ mData.ClearCell(point.X, point.Y);
+ }
+
+
+ ///
+ /// Reset the map to the state it was at right after loading.
+ ///
+ public void Reset()
+ {
+ mData.Reset();
+ mView.Reset();
+ }
+
#endregion
- public Map(Data data)
+ #region Private Types
+
+ class Model
{
- Console.WriteLine("Read map " + data.Name + " of type " + data.Type + " written by " + data.Author);
+ public Metadata Metadata { get { return mMetadata; } }
+ public List Entities { get { return mEntities; } }
+ public Point[] PlayerPositions { get { return mPlayerPositions; } }
+ public bool[,] Grid { get { return mBooleanGrid; } }
+
+
+ public Model(Metadata metadata, char[,] grid, char defaultTile,
+ List entities, Point[] playerPositions)
+ {
+ Debug.Assert(metadata != null);
+ Debug.Assert(grid != null);
+ Debug.Assert(entities != null);
+ Debug.Assert(metadata.GridWidth * metadata.GridHeight == grid.Length);
+ Debug.Assert(Tilemap != null);
+
+ mMetadata = metadata;
+ mCleanGrid = grid;
+ mDefaultTile = defaultTile;
+ mEntities = entities;
+ mPlayerPositions = playerPositions;
+
+ Reset();
+
+#if DEBUG
+ Console.WriteLine("Loaded map {0} of type {1} written by {2}.",
+ metadata.Name,
+ metadata.Type,
+ metadata.Author);
+#endif
+ }
+
+
+ public void Reset()
+ {
+ mGrid = (char[,])mCleanGrid.Clone();
+
+ mBooleanGrid = new bool[mMetadata.GridWidth, mMetadata.GridHeight];
+ for (int x = 0; x < mMetadata.GridWidth; x++)
+ {
+ for (int y = 0; y < mMetadata.GridHeight; y++)
+ {
+ mBooleanGrid[x, y] = IsCellOpen(x, y);
+ }
+ }
+ }
+
+
+ public bool IsCellOpen(int x, int y)
+ {
+ if (!IsOnMap(x, y)) return false;
+ return (Tilemap.GetTileFlags(mGrid[x, y]) & TileFlags.Open) == TileFlags.Open;
+ }
+
+ //created by Brady for AI precalculations
+ public bool IsWall(int x, int y)
+ {
+ if (!IsOnMap(x, y)) return false;
+ return (Tilemap.GetTileFlags(mGrid[x, y]) & TileFlags.Wall) == TileFlags.Wall;
+ }
+
+ public void SetCell(int x, int y, char tile)
+ {
+ if (IsOnMap(x, y))
+ {
+ mGrid[x, y] = tile;
+ mBooleanGrid[x, y] = IsCellOpen(x, y);
+ }
+ }
+
+ public char GetCell(int x, int y)
+ {
+ if (IsOnMap(x, y)) return mGrid[x, y];
+ return mDefaultTile;
+ }
+
+ public void ClearCell(int x, int y)
+ {
+ SetCell(x, y, mDefaultTile);
+ }
+
+ public bool IsOnMap(int x, int y)
+ {
+ return 0 <= x && x < Metadata.GridWidth && 0 <= y && y < Metadata.GridHeight;
+ }
+
+
+ public List GetAllEntities(Game game)
+ {
+ List list = new List();
+
+ foreach (RawEntity raw in mEntities)
+ {
+ if (raw.Attributes.ContainsKey("type"))
+ {
+ string typename = raw.Attributes["type"];
+
+ object[] args = new object[4];
+ args[0] = raw.Id;
+ args[1] = raw.Position;
+ args[2] = raw.Attributes;
+ args[3] = game;
+
+ try
+ {
+ IEntity entity = (IEntity)Activator.CreateInstance(System.Type.GetType("CarFire." + typename), args);
+ if (entity != null)
+ {
+ entity.LoadContent(game.ContentManager);
+ list.Add(entity);
+ }
+ else throw new Exception();
+ }
+#pragma warning disable 0168
+ catch (System.Exception ex)
+#pragma warning restore 0168
+ {
+ throw new Exception("Entity of type " + typename + " not loaded because an entity class can't be found.");
+ }
+ }
+ else
+ {
+ Console.WriteLine("Ignoring entity with identifier " + raw.Id + " since it has no type key.");
+ }
+ }
+
+ return list;
+ }
+
+ public List GetEntities(Game game)
+ {
+ System.Type type = typeof(T);
+ List list = new List();
+
+ string typename = typeof(T).Name;
+ foreach (RawEntity raw in mEntities)
+ {
+ if (raw.Attributes.ContainsKey("type") && typename == raw.Attributes["type"])
+ {
+ object[] args = new object[4];
+ args[0] = raw.Id;
+ args[1] = raw.Position;
+ args[2] = raw.Attributes;
+ args[3] = game;
+
+ T entity = (T)Activator.CreateInstance(type, args);
+ if (entity != null)
+ {
+ ((IEntity)entity).LoadContent(game.ContentManager);
+ list.Add(entity);
+ }
+ else throw new Exception("Entity of type " + typename + " not loaded because an entity class can't be found.");
+ }
+ }
+
+ return list;
+ }
+
+
+ Metadata mMetadata;
+ char[,] mGrid;
+ char[,] mCleanGrid;
+ bool[,] mBooleanGrid;
+ char mDefaultTile;
+ List mEntities;
+ Point[] mPlayerPositions;
+ }
+
+ class View
+ {
+ public Vector2 CenterCell;
+ public float Zoom;
+
+
+ public View(Model data)
+ {
+ Debug.Assert(data != null);
+ mData = data;
+
+ Reset();
+ }
+
+
+ public void Reset()
+ {
+ CenterCell = Vector2.Zero;
+ Zoom = PixelsToUnitSquares;
+ }
+
+
+ public void Draw(SpriteBatch spriteBatch)
+ {
+ if (Tilemap == null) throw new Exception("Cannot draw map without first setting the tilemap.");
+ mViewport = spriteBatch.GraphicsDevice.Viewport;
+
+ for (int y = 0; y < mData.Metadata.GridHeight; y++)
+ {
+ for (int x = 0; x < mData.Metadata.GridWidth; x++)
+ {
+ Tilemap.Draw(spriteBatch, mData.GetCell(x, y), GetRectangleFromCoordinates(x, y));
+ }
+ }
+ }
+
+
+ public Point GetPointFromCoordinates(float x, float y)
+ {
+ Matrix transform = GetTransformation(CenterCell);
+ Vector2 point = Vector2.Transform(new Vector2(x, y), transform);
+
+ return new Point((int)point.X, (int)point.Y);
+ }
+
+ public Rectangle GetRectangleFromCoordinates(float x, float y)
+ {
+ Matrix transform = GetTransformation(CenterCell);
+ Vector2 point = Vector2.Transform(new Vector2(x, y), transform);
+
+ return new Rectangle((int)Math.Round(point.X, 0), (int)Math.Round(point.Y, 0), (int)Math.Round(Zoom, 0), (int)Math.Round(Zoom, 0));
+ }
+
+
+
+ Matrix GetTransformation(Vector2 center)
+ {
+ float halfRatio = Zoom * 0.5f;
+ Matrix transform = Matrix.CreateTranslation(-center.X, -center.Y, 0.0f);
+ transform *= Matrix.CreateScale(Zoom);
+ transform *= Matrix.CreateTranslation(mViewport.Width * 0.5f - halfRatio,
+ mViewport.Height * 0.5f - halfRatio, 0.0f);
+
+ Vector2 topLeft = Vector2.Transform(new Vector2(0.0f, 0.0f), transform);
+ topLeft.X = Math.Max(mViewport.X, topLeft.X);
+ topLeft.Y = Math.Max(mViewport.Y, topLeft.Y);
+ transform *= Matrix.CreateTranslation(-topLeft.X, -topLeft.Y, 0.0f);
+
+ Vector2 bottomRight = Vector2.Transform(new Vector2((float)mData.Metadata.GridWidth,
+ (float)mData.Metadata.GridHeight), transform);
+ float right = mViewport.X + mViewport.Width;
+ float bottom = mViewport.Y + mViewport.Height;
+ bottomRight.X = Math.Min(right, bottomRight.X) - right;
+ bottomRight.Y = Math.Min(bottom, bottomRight.Y) - bottom;
+ transform *= Matrix.CreateTranslation(-bottomRight.X, -bottomRight.Y, 0.0f);
+
+ return transform;
+ }
+
+
+ Model mData;
+ Viewport mViewport;
}
+
+ #endregion
+
+
+ #region Private Variables
+
+ Model mData;
+ View mView;
+
+ #endregion
}
}